trichording

English

From tri- +‎ coordinate +‎ -ing, referring to simultaneous movement along three orthogonal axes.

trichording (uncountable)

(slang, video games) Moving in three directions, about three axes.
- 1997, micnet, “SpaceOrb Debate (was: auto-levelling)”, in alt.games.descent (Usenet):
  I know nothing about elite players but I belive^[sic] trichording works at its best in dogfights.
- 2002, Samus, “Releasing the 1.5 patch unofficially...”, in alt.games.descent (Usenet):
  In order to know when someone's cheating, one has to know everything about the weapons in Descent 3. One must know reload rates, relative shield damage, and physics (to a small degree). One should also know about ship physics for each ship, and of course know about trichording and know what it looks like when a certain ship is trichording.

Used by players of the Descent (video game) series and others where accelerating along multiple axes yields a speed increase.
*Trichord as a verb (trichords, trichorded) is unattested, but may gain usage. The second usage in the quotation above is a rare example of use as a verb.